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Synthetic lemon yellow azo dye used in food, cosmetics, and textiles.
dual-unit Celsius and Fahrenheit, high contrast thermometer with protective packaging.
Chromium Oxide Green (Chromic Oxide; Chromium(III) Oxide)
Chromium(III) oxide (Cr₂O₃), also known as chromic oxide, is an inorganic compound and a principal oxide of chromium. Renowned for its stability and vibrant green hue, it serves as a green pigment in paints, inks, glasses, and ceramic glazes. When used in glazes, Cr₂O₃ creates a range of green shades, including lime green, kelly green, and black. Its green tones can be modified with small additions of other oxides, like cobalt or copper oxide. Chromium oxide green is also used in polishing pastes, catalysts, and as an advanced green pigment for various industries.
Product Specifications
| Chemical Formula | Cr₂O₃ |
| Purity | 99.24% |
| Average Particle Size | 8 Micron |
| Color Index | Pigment Green 17 (77288) |
| Moisture | 0.03% |
| Aluminum (Al) | 0.063% |
| Calcium (Ca) | 0.009% |
| Carbon (C) | 0.017% |
| Chromium (Metallic) | 0.004% |
| Chromium (Hexavalent, Cr⁶⁺) | <0.0001% |
| Iron (Fe) | 0.051% |
| Magnesium (Mg) | 0.001% |
| Phosphorus (P) | <0.001% |
| Silicon (Si) | 0.011% |
| Sodium (Na) | 0.008% |
| Sulfur (S) | 0.008% |
| Vanadium (V) | 0.008% |
Applications and Benefits:
- Advanced green pigment in paints, inks, and ceramics
- Ceramic glaze producing diverse green and black hues
- Catalyst and analytical reagent
- Smelting metal chromium and chromium carbide
- Polishing pastes and special inks
- Building material stains and artificial leather coloring
Caution:
Handle with care. Avoid inhalation or ingestion. Refer to the SDS for detailed safety guidelines.
Tartrazine (FD&C Yellow 5)
Tartrazine (also known as FD&C Yellow 5, Acid Yellow 23, and Food Yellow 4) is a synthetic lemon yellow azo dye primarily used as a food coloring. It may also be referenced as E number E102, C.I. 19140.
In addition to being a colorant in food, drugs and cosmetics, it can be used to dye silk and wool. It serves as a dye for wool and silks, a colorant in food, drugs and cosmetics.
Many foods contain tartrazine in varying proportions, depending on the manufacturer or person preparing the food. When in food, tartrazine is typically labelled as "color", "tartrazine", or "E102", depending on the jurisdiction, and the applicable labeling laws (see Regulation below).
Products containing tartrazine commonly include processed commercial foods that have an artificial yellow or green color, or that consumers expect to be brown or creamy looking. It has been frequently used in the bright yellow coloring of imitation lemon filling in baked goods.
Foods containing Tartrazine may include ice cream, ice pops, popsicles, candy, gummy bears, cotton candy, instant puddings, gelatin, cake mixes, pastries, custard powder, marzipan, biscuits, and cookies.
Beverages containing Tartrazine may include soft drinks, energy and sports drinks, powdered drink mixes, fruit cordials, and flavored/mixed alcoholic beverages.
Snacks containing Tartrazine may include flavored corn chip, chewing gum, popcorn, and potato chips.
Condiments and spreads containing Tartrazine may include jam, jelly, marmalade, mustard, horseradish, pickles, and processed sauces.
A number of personal care and cosmetics products may contain tartrazine, usually labelled as CI 19140 or FD&C Yellow 5, including:
Liquid and bar soaps, green hand sanitizer, moisturizers and lotions, mouth washes, perfumes, toothpastes, shampoos, conditioners, eyeshadow, blush, face powder and foundation, lipstick, nail polish, nail polish remover, temporary tattoos, and tanning lotions.
In most jurisdictions, presence of Tartrazine must be declared on the product label if used in food, medicine or personal care products.
Some people may have sensitivity to Tartrazine.
According to the FDA, tartrazine causes hives in fewer than 1 in 10,000 people, or 0.01%. Symptoms may appear after a few minutes up to 14 hours after exposure.
For additional information, please see Code of Federal Regulations #21, Parts 1-99.
Product Specifications
| Chemical Name | FD&C Yellow 5, Acid Yellow 23, Food Yellow 4, E102 |
| Applications | Food, pharmaceuticals, cosmetics, textile dyeing |
| Sensitivity Rate | 0.01% population |
| Labeling Requirement | Mandatory in most jurisdictions |
| Color Appearance | Lemon yellow |
Applications and Benefits:
- Used in processed commercial foods with yellow or green coloring
- Common in beverages such as soft drinks and energy drinks
- Found in cosmetic products like eyeshadows and nail polish
- Applied in textile dyeing for wool and silk
- Regulatory compliance ensures proper labeling
Caution:
Some individuals may be sensitive to Tartrazine, experiencing reactions such as hives in rare cases. According to the FDA, sensitivity occurs in fewer than 1 in 10,000 people. Symptoms may appear minutes to 14 hours after exposure.
Synonyms:
FD&C Yellow 5, Acid Yellow 23, Food Yellow 4, E102, C.I. 19140
High Contrast Glass Thermometer
This high contrast glass thermometer with yellow background, black markings, and red spirit is designed for effortless reading. As a dual unit device, it can read both in Celsius (ranging from -20 to 110 degrees) and Fahrenheit (from -4 to 230 degrees). It's a partial immersion thermometer marked with an immersion line to indicate the correct immersion level for accurate readings. Each thermometer is individually packaged in a protective plastic tubular container and comes with an adjustable elastic bumper. The thermometer measures 30 cm (12 inches) in length.
Key Features
- High contrast for easy reading
- Dual units: Celsius and Fahrenheit
- Marked with immersion line for accurate readings
- Individually packaged in a protective plastic container
- Comes with an adjustable elastic bumper
Product Specifications
| Type | Glass Thermometer |
| Units | Celsius, Fahrenheit |
| Immersion Type | Partial |
| Packaging | Plastic Tubular Container |
| Length | 30 cm (12 inches) |
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Perfect for Science Teachers, Laboratory Technicians, Home Brewers, Students, and Hobbyists.
PRODUCT DESCRIPTION
Yellow no. 5 FD&C lake, provides superior color purity and saturation, oil soluble, water insoluble (but good dispersibility & no aggregate formation), for best results wet in oil before use. Can be used as a yellow pigment in arts and cosmetic/ personal care products. For external use only.
Applications: decorative cosmetic products including lipsticks, nail lacquers & face makeup (in USA prohibited for eye makeup), soaps, bath salts.
Storage: stable when kept in closed container at a cool & dry place.
Description: Color group: yellow (dye content 28%). Organic, FDA-approved, high-purity pigment. Synonym: Tartrazine. Chemical class: Pyrazolone. Water solubility: 20g/100ml.
CAS: 12225-21-7
INCI Name: CI 19140 (yellow no. 5 FD&C lake)
Benefits:
- Provides superior color purity and saturation
- Very good dispersibility and no aggregate formation when dispersed in liquids
Use: Can be tinted with titanium dioxide to create light yellow/beige shades. For best results wet in oil before use. External use only.
Applications: Decorative cosmetic products including lipsticks, nail lacquers & face makeups, personal care products, soaps
Animal Testing: Not animal tested
GMO: GMO free (does not contain plant-derived components)
Vegan: Does not contain animal-derived components
Batch Certification: Batch Certification Disclaimer: This product is subject to Batch Certification which means that this product has been certified batch by batch by the FDA. When we open such a FDA-certified package and repack it for you into smaller sizes, the repacked containers lose their certification. For this reason, you are not permitted by the FDA to use repacked containers for making cosmetics for resale.
More info: Repackaged from the original bulk container of LAKOLENE B3014. According to the FDA, lakes are formed by reacting straight dyes with precipitants and salts. Aluminum is often a component.
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